| 18 different referring search engines | Pages | Percent | Hits | Percent |
|---|
| Google | 43722 | 86 % | 51069 | 86.8 % |
| Bing | 3887 | 7.6 % | 4278 | 7.2 % |
| Yahoo! | 2135 | 4.2 % | 2296 | 3.9 % |
| Unknown search engines | 387 | 0.7 % | 398 | 0.6 % |
| Ask | 211 | 0.4 % | 213 | 0.3 % |
| AOL | 169 | 0.3 % | 170 | 0.2 % |
| Baidu | 113 | 0.2 % | 156 | 0.2 % |
| MyWebSearch | 55 | 0.1 % | 55 | 0 % |
| Yandex | 44 | 0 % | 67 | 0.1 % |
| InfoSpace | 26 | 0 % | 26 | 0 % |
| Stumbleupon (Social Bookmark) | 19 | 0 % | 19 | 0 % |
| Dogpile | 11 | 0 % | 11 | 0 % |
| Searchalot | 5 | 0 % | 5 | 0 % |
| WebCrawler | 5 | 0 % | 5 | 0 % |
| SoGou | 4 | 0 % | 4 | 0 % |
| Earth Link | 2 | 0 % | 2 | 0 % |
| MetaCrawler (Metamoteur) | 1 | 0 % | 1 | 0 % |
| Google (Images) | | | 4 | 0 % |
|